CN211115853U - Hydraulic power tongs for double-pipe oil well - Google Patents
Hydraulic power tongs for double-pipe oil well Download PDFInfo
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- CN211115853U CN211115853U CN201921070924.3U CN201921070924U CN211115853U CN 211115853 U CN211115853 U CN 211115853U CN 201921070924 U CN201921070924 U CN 201921070924U CN 211115853 U CN211115853 U CN 211115853U
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- oil well
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Abstract
The utility model discloses a double-barrelled oil well hydraulic power pincers, including the upper calliper body and the lower calliper body, the upper calliper body sets up with the lower calliper body relatively from top to bottom, lower calliper body's outer wall mounting arc card, every arc card has hydraulic lifting column with the internal hydraulic lifting column of all pegging graft of calliper down, hydraulic lifting column passes through the outside that the arc card is fixed at the lower calliper body, it has the butt piece with the corresponding position welding of arc card on the outer wall of upper calliper body, the top fixed connection of butt piece and hydraulic lifting column, the upper calliper body all includes disk body, hydraulic cylinder, piston rod, connector, connection piece, activity arm lock, activity round pin axle and binding clip down, the inside of disk body is provided with hydraulic cylinder. The utility model discloses a set up hydraulic cylinder, piston rod, activity arm lock, binding clip and tong teeth, it is complicated to have solved current technical structure, maintains inconveniently to the poor problem of the fixed effect of centre gripping.
Description
Technical Field
The utility model relates to an oil development technical field specifically is a double-barrelled oil well hydraulic power pincers.
Background
The oil well is a hole drilled by a well distribution system planned according to oil field development, which is a passage for raising oil from a well bottom to a well head, the oil well comprises a single-pipe oil well and a double-pipe oil well, the double-pipe oil well has higher oil extraction gas efficiency and lower extraction cost compared with the single-pipe oil well, and is widely applied to the oil exploitation process, the double-pipe oil well is frequently damaged in the using process and needs to be repaired by operators frequently, the largest and most heavy workload of operators in the well repair process is the threading of an oil loading pipe, an oil unloading pipe and a drilling tool, pipe tongs or chain tongs are used in the past, the labor intensity is high, the dangerousness is realized, the hydraulic power tongs are mechanical threading loading and unloading tools operated by using workover power, the labor intensity of the workover workers can be greatly reduced, and the occurrence of accidents is avoided or reduced.
However, the existing double-pipe oil well hydraulic power tongs have the following defects:
1. the existing double-pipe oil well hydraulic power tongs transfer the power of a workover rig to a hydraulic motor of the hydraulic power tongs, pass through a stroke reducer, and then pass through two-stage or one-stage reduction to enable a tong head opening gear to rotate to bite a pipe.
2. The surface of the jaw of the existing double-pipe oil well hydraulic power tongs is smooth, the hydraulic tongs easily slip when clamping a tubular oil pipe, and the clamping and fixing effects are poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a double-barrelled oil well hydraulic power pincers, it is complicated to have solved current technical structure, maintains inconveniently to the poor problem of the fixed effect of centre gripping.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a double-pipe oil well hydraulic power tong comprises an upper tong body and a lower tong body, wherein the upper tong body and the lower tong body are oppositely arranged up and down, arc-shaped clamping pieces are arranged on the outer wall of the lower tong body, a hydraulic lifting column is inserted in each arc-shaped clamping piece and the lower tong body, the hydraulic lifting column is fixed outside the lower tong body through the arc-shaped clamping pieces, abutting blocks are welded on the outer wall of the upper tong body and correspond to the arc-shaped clamping pieces, the abutting blocks are fixedly connected with the top ends of the hydraulic lifting columns, the upper tong body and the lower tong body respectively comprise a tray body, a hydraulic oil cylinder, a piston rod, a connector, a connecting sheet, a movable clamping arm, a movable pin shaft and a tong head, a hydraulic oil cylinder is arranged inside the tray body, a piston rod is arranged at one end of the hydraulic oil cylinder, the connector is arranged at the end of the piston rod, two movable clamping arms are arranged on two sides of the connector, the clamp comprises a clamp body, a movable clamp arm, a connecting piece, a hydraulic oil pump, two hydraulic oil pipes and an electromagnetic valve, wherein the movable clamp arm is movably connected with the clamp body through a movable pin shaft, the connecting piece is arranged between one end, close to the connecting piece, of the movable clamp arm and the connecting piece, the clamp head is arranged at the other end of the movable clamp arm, the hydraulic oil pump is arranged at the upper end of the upper clamp body, the two hydraulic oil pipes are respectively connected with a hydraulic oil cylinder in the upper clamp body and a hydraulic oil cylinder in the lower clamp body, and the electromagnetic valve is arranged on each hydraulic oil pipe.
Preferably, the two sides of the upper caliper body and the lower caliper body are both provided with a handle frame.
Preferably, a control panel is installed on one side of the hydraulic oil pump, and the output end of the control panel is electrically connected with the input end of the hydraulic lifting column, the input end of the hydraulic oil pump and the input end of the electromagnetic valve respectively.
Preferably, the control panel is connected with an external power supply.
Preferably, a hanger is welded to the upper caliper body.
Preferably, the clamping surface of the binding clip is V-shaped, and the V-shaped clamping surface is evenly provided with the forceps teeth at intervals.
(III) advantageous effects
The utility model provides a double-barrelled oil well hydraulic power pincers possesses following beneficial effect:
(1) the utility model discloses a set up hydraulic cylinder, the piston rod, activity arm lock and binding clip, during the use, open hydraulic pressure more with the solenoid valve through control panel control, carry hydraulic oil to hydraulic cylinder through the hydraulic pump, flexible through hydraulic oil drive piston rod, it uses the movable pin axle to rotate as the center to drive two activity arm locks when the piston rod shrinks, it carries out the centre gripping to the oil pipe of pegging graft in last caliper body and the lower caliper body to drive two binding clips internal contraction, when loosening, only need control hydraulic cylinder to drive the piston rod extension and can drive two activity arm locks and open and loosen oil pipe, the utility model discloses a hydraulic pressure mechanism realizes with activity arm lock and binding clip cooperation that oil pipe's centre gripping with loosen, simple structure, and it is convenient to maintain, low in manufacturing cost.
(2) The utility model discloses a be provided with the tong teeth on the binding clip, can increase the frictional force on binding clip surface, when two activity clamp arms drive the binding clip and carry out the centre gripping to oil pipe fixed, the tong teeth that the interval set up on the binding clip can be better carry out the interlock to oil pipe, improve the stability of oil pipe centre gripping, and the binding clip adopts V type design simultaneously, can adapt to not equidimension pipe diameter oil pipe's centre gripping needs, and the suitability is stronger.
Drawings
FIG. 1 is an overall view of the present invention;
FIG. 2 is a top view of the upper caliper body of the present invention;
fig. 3 is a schematic structural diagram of the binding clip of the present invention.
The reference numbers in the figures are: 1. an upper caliper body; 2. a lower caliper body; 3. an arc-shaped card; 4. a hydraulic lifting column; 5. a butting block; 6. a tray body; 7. a hydraulic cylinder; 8. a piston rod; 9. a connector; 10. connecting sheets; 11. a movable clamping arm; 12. a movable pin shaft; 13. a binding clip; 14. a hydraulic oil pump; 15. an electromagnetic valve; 16. a hydraulic oil pipe; 17. a control panel; 18. a hanger; 19. a pair of tongs teeth; 20. a handle frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a double-pipe oil well hydraulic power tong comprises an upper tong body 1 and a lower tong body 2, wherein the upper tong body 1 and the lower tong body 2 are arranged oppositely up and down, arc-shaped clamping pieces 3 are arranged on the outer wall of the lower tong body 2, a hydraulic lifting column 4 is inserted into each arc-shaped clamping piece 3 and the lower tong body 2, the hydraulic lifting column 4 is fixed outside the lower tong body 2 through the arc-shaped clamping pieces 3, abutting blocks 5 are welded on the outer wall of the upper tong body 1 corresponding to the arc-shaped clamping pieces 3, the abutting blocks 5 are fixedly connected with the top ends of the hydraulic lifting columns 4, the upper tong body 1 and the lower tong body 2 respectively comprise a tray body 6, a hydraulic oil cylinder 7, a piston rod 8, a connecting head 9, a connecting sheet 10, a movable clamping arm 11, a movable pin shaft 12 and a tong head 13, the hydraulic oil cylinder 7 is arranged inside the tray body 6, the piston rod 8 is arranged at one end of the hydraulic oil cylinder 7, the connecting head 9 is arranged, two movable clamping arms 11 are arranged on two sides of the connector 9, a movable pin shaft 12 is mounted at the inflection point position of each movable clamping arm 11, each movable clamping arm 11 is movably connected with the corresponding disc 6 through the corresponding movable pin shaft 12, a connecting sheet 10 is arranged between one end, close to the connector 9, of each movable clamping arm 11 and the connector 9, a tong head 13 is mounted at the other end of each movable clamping arm 11, a hydraulic oil pump 14 is mounted at the upper end of the upper caliper body 1, two hydraulic oil pipes 16 are mounted at the output end of the hydraulic oil pump 14, the two hydraulic oil pipes 16 are respectively connected with a hydraulic oil cylinder 7 in the upper caliper body 1 and a hydraulic oil cylinder 7 in the lower caliper body 2, electromagnetic valves 15 are mounted on the two hydraulic oil pipes 16, hand lifting frames 20 are mounted on two sides of the upper caliper body 1 and the lower caliper body 2, a control panel 17 is mounted on one side of each hydraulic oil, The input of hydraulic oil pump 14 and the input electric connection of solenoid valve 15, control panel 17 meets with external power supply, and it has gallows 18 to weld on the upper caliper body 1, and the centre gripping face of binding clip 13 is the V type to evenly be provided with tong teeth 19 at the interval on the V type centre gripping face.
Working principle; when the oil pipe clamping device is used, the hydraulic oil pump 14 and the electromagnetic valve 15 are controlled to be opened through the control panel 17, hydraulic oil is conveyed to the hydraulic oil cylinder 7 through the hydraulic oil pump 14, the piston rod 8 is driven to stretch through the hydraulic oil cylinder 7, the piston rod 8 drives the two movable clamping arms 11 to rotate around the movable pin shaft 12 when being contracted, the two clamping heads 13 are driven to contract inwards to clamp and fix oil pipes inserted in the upper clamping body 1 and the lower clamping body 2, when the oil pipes are loosened, the two movable clamping arms 11 can be driven to open through controlling the hydraulic oil cylinder 7 to drive the piston rod 8 to extend, the oil pipes are loosened, when the two movable clamping arms 11 drive the clamping heads 13 to clamp and fix the oil pipes, the clamping teeth 19 arranged at intervals on the clamping heads 13 can better clamp the oil pipes, the stability of oil pipe clamping is improved, meanwhile, the clamping heads 13 are designed in a V shape, the applicability is stronger.
To sum up can, the utility model discloses a set up hydraulic cylinder 7, piston rod 8, activity arm lock 11, binding clip 13 and tong teeth 19, solved current technical structure complicacy, it is inconvenient to maintain to the poor problem of the fixed effect of centre gripping.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a double-barrelled oil well hydraulic power pincers, includes the calliper body (1) and the calliper body (2) down, its characterized in that: the clamp comprises an upper clamp body (1) and a lower clamp body (2), wherein the upper clamp body and the lower clamp body are arranged oppositely from top to bottom, arc-shaped clamping pieces (3) are installed on the outer wall of the lower clamp body (2), each arc-shaped clamping piece (3) and the lower clamp body (2) are internally inserted with a hydraulic lifting column (4), the hydraulic lifting columns (4) are fixed outside the lower clamp body (2) through the arc-shaped clamping pieces (3), abutting blocks (5) are welded on the outer wall of the upper clamp body (1) corresponding to the arc-shaped clamping pieces (3), the abutting blocks (5) are fixedly connected with the top ends of the hydraulic lifting columns (4), the upper clamp body (1) and the lower clamp body (2) respectively comprise a disc body (6), a hydraulic oil cylinder (7), a piston rod (8), a connector (9), a connecting sheet (10), a movable clamping arm (11), a movable pin shaft (12) and a clamp head (13), the hydraulic oil cylinder (7) is arranged inside the disc body (6), a piston rod (8) is arranged at one end of the hydraulic oil cylinder (7), a connector (9) is installed at the end of the piston rod (8), two movable clamping arms (11) are arranged on two sides of the connector (9), a movable pin shaft (12) is installed at the inflection point position of each movable clamping arm (11), each movable clamping arm (11) is movably connected with the corresponding disc body (6) through the corresponding movable pin shaft (12), a connecting piece (10) is arranged between one end, close to the connector (9), of each movable clamping arm (11) and the corresponding connector (9), a clamp head (13) is installed at the other end of each movable clamping arm (11), a hydraulic oil pump (14) is installed at the upper end of the upper clamp body (1), two hydraulic oil pipes (16) are installed at the output end of the hydraulic oil pump (14), and the two hydraulic oil pipes (16) are respectively connected with the hydraulic oil cylinder (7) in the upper clamp body (1) and the hydraulic oil cylinder (7, and electromagnetic valves (15) are arranged on the two hydraulic oil pipes (16).
2. The dual tubing oil well hydraulic power tong of claim 1, characterized in that: and the two sides of the upper caliper body (1) and the lower caliper body (2) are both provided with a handle frame (20).
3. The dual tubing oil well hydraulic power tong of claim 1, characterized in that: control panel (17) are installed to one side of hydraulic oil pump (14), control panel's (17) output respectively with the input of hydraulic pressure lift post (4), the input of hydraulic oil pump (14) and the input electric connection of solenoid valve (15).
4. A dual tubing oil well hydraulic power tong as defined in claim 3, characterized in that: the control panel (17) is connected with an external power supply.
5. The dual tubing oil well hydraulic power tong of claim 1, characterized in that: the upper caliper body (1) is welded with a hanger (18).
6. The dual tubing oil well hydraulic power tong of claim 1, characterized in that: the clamping surface of the binding clip (13) is V-shaped, and the V-shaped clamping surface is evenly provided with forceps teeth (19) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070924.3U CN211115853U (en) | 2019-07-09 | 2019-07-09 | Hydraulic power tongs for double-pipe oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070924.3U CN211115853U (en) | 2019-07-09 | 2019-07-09 | Hydraulic power tongs for double-pipe oil well |
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| Publication Number | Publication Date |
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| CN211115853U true CN211115853U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921070924.3U Active CN211115853U (en) | 2019-07-09 | 2019-07-09 | Hydraulic power tongs for double-pipe oil well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302658A (en) * | 2020-11-06 | 2021-02-02 | 中铁工程装备集团有限公司 | Rotary jacking device and construction method for vertical shaft construction |
-
2019
- 2019-07-09 CN CN201921070924.3U patent/CN211115853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302658A (en) * | 2020-11-06 | 2021-02-02 | 中铁工程装备集团有限公司 | Rotary jacking device and construction method for vertical shaft construction |
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